Perhaps the purchase of popcorn and soda can’t wait until after a viewing of “Septic Man,” as it’s not a feature that encourages a hearty appetite. Opening with the image of a woman writhing in pain while sitting on a toilet, in the midst of the most painful defecation of her life, the movie doesn’t play around with teases, presenting pained, barf-slicked reactions and a zoom into a full bowl before the main titles commence. It’s gross, but that’s the point of “Septic Man,” which is best summarized as a one-man stage show produced by Troma Films, only missing their ballistic sense of humor. Read the rest at Blu-ray.com